28376307 has 12 divisors (see below), whose sum is σ = 41055040. Its totient is φ = 18886608.

The previous prime is 28376287. The next prime is 28376311. The reversal of 28376307 is 70367382.

28376307 is a `hidden beast` number, since 283 + 76 + 307 = 666.

It is not a de Polignac number, because 28376307 - 2²⁰ = 27327731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28376207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4158 + ... + 8604.

Almost surely, 2^28376307 is an apocalyptic number.

28376307 is a deficient number, since it is larger than the sum of its proper divisors (12678733).

28376307 is a wasteful number, since it uses less digits than its factorization.

28376307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 28376307 is about 5326.9416178517. The cubic root of 28376307 is about 305.0131930153.

The spelling of 28376307 in words is "twenty-eight million, three hundred seventy-six thousand, three hundred seven".